Picture from the Secureteam10 video of crack in concrete street from an underground boom. Police dumfounded. This occurred in The Colony, Texas, which is Denton County and there's a major FEMA headquarters located in the same county about 20 miles away.
Hope this is White Hats building underground shelters for the 7M+ residents of DFW.
https:// youtu.be/bZEO0D6HfLQ